<!DOCTYPE HTML>
<html>

<head>
  <title>Console clock</title>
</head>

<body>

  <!-- source clock -->
  <script src="clock.js"></script>
  <script>
    let clock = new Clock({
      template: 'h:m:s'
    });
    clock.start();


    /* Your class should work like this: */

    /*

      let lowResolutionClock = new ExtendedClock({
        template: 'h:m:s',
        precision: 10000
      });

      lowResolutionClock.start();
    */
  </script>

</body>

</html>
